4447647647 has 8 divisors (see below), whose sum is σ = 4549265856. Its totient is φ = 4346320672.

The previous prime is 4447647643. The next prime is 4447647653. The reversal of 4447647647 is 7467467444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4447647647 - 2² = 4447647643 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4447647643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41768 + ... + 103149.

It is an arithmetic number, because the mean of its divisors is an integer number (568658232).

Almost surely, 2^4447647647 is an apocalyptic number.

4447647647 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

4447647647 is a deficient number, since it is larger than the sum of its proper divisors (101618209).

4447647647 is a wasteful number, since it uses less digits than its factorization.

4447647647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145617.

The product of its digits is 12644352, while the sum is 53.

The square root of 4447647647 is about 66690.6863587413. The cubic root of 4447647647 is about 1644.5362768737.

The spelling of 4447647647 in words is "four billion, four hundred forty-seven million, six hundred forty-seven thousand, six hundred forty-seven".